The Ralph T. Waterman Bird Club maintains two checklist documents:

• One-page Field Checklist UPDATED 9/19/11 with AOU 52nd Supplement changes
                  (Requires Adobe Reader...Download Acrobat)
    
• The Birds of Dutchess County, New York - A Reference Guide
      (available to RTWBC members only)
  
  This is a comprehensive reference including bar graphs indicating the abundance of each species throughout the year, as well as nesting and habitat information.